Colored smoke



EDWIN C. WEISGERBEIiI, OF THE UNITED STATES ARMY.

COLORED SMOKE.

No Drawing.

Specification of Letters Patent.

Patented May 4, 1920.

Application filed January 10, 1919. Serial No. 270,579.

(FILED UNDER THE ACT OF MARCH 3, 1883, 22 STAT. L, 625.)

T 0 all whom it may concern:

Be it known that I, EDWIN C. lVnIsGERBnR, captain, Corps of Eng, U. S. A., a citizen of the United States, stationed at Washington, D. 0., have invented an Improvement in Colored Smoke, of which the following is a specification.

The invention described herein may be used by the Government, or any of its oflicers or employees in prosecution of Work for the Government, or by any other person in the United States, Without payment of any royalty thereon.

This invention relates to colored smokes, for military and other purposes, and has particular relation to a smoke colored black.

The smoke producing composition comprises the following in substantially the proportions given.

30 parts potassium chlorate, 20 parts lactose, 20 parts naphthalene.

Potassium chlorate 30 parts Lactose 20 parts Naphthalene 20 parts EDWIN O. WE'ISGERBER. 

